Particle Physics Experiment
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MicroBooNE Makes First MeV-Scale Energy Resolution Measurement in a LArTPC Using ²⁰⁸Tl Decay Gammas
The MicroBooNE collaboration has performed the first-ever measurement of energy resolution in a liquid argon time projection chamber (LArTPC) at the MeV scale, achieving (7.52 ± 0.78 stat ± 0.92 syst)% resolution at ~1.5 MeV. The calibration leverages monoenergetic 2.614 MeV gamma-rays from ²⁰⁸Tl de…
MINERvA's High-Statistics νμ CC1π⁺ Measurement Exposes Systematic Failures in Modern Pion Production Models
The MINERvA collaboration presents high-statistics differential cross-section measurements of muon neutrino charged-current single pion production on scintillator, using 91,843 selected events and a novel Michel electron-based technique that extends pion detection down to zero kinetic energy thresho…